Compilare: main.c: In function 'main': main.c:17:17: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'char *' [-Wformat=] scanf("%d", &cost[i]); ^ main.c:11:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("br.in","r",stdin); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:12:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("br.out","w",stdout); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:14:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf( "%d%d", &n, &t); ^~~~~~~~~~~~~~~~~~~~~~ main.c:17:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &cost[i]); ^~~~~~~~~~~~~~~~~~~~~ main.c:22:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf( "%d%d", &prieten, &suma_bani); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~